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Finding the Fourth Proportional to 41.56, 57.36 and 27

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Solution

The fourth proportional to 41.56, 57.36 and 27 is: 37.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.56 : 57.36 = 27 : x
  2. Step 2: Convert to fraction form
    41.56/57.36 = 27/x
  3. Step 3: Cross multiply
    41.56x = 57.36 × 27
  4. Step 4: Simplify right side
    41.56x = 1,548.67
  5. Step 5: Solve for x
    x = 1,548.67/41.56
  6. Step 6: Final answer
    x = 37.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.